Dr. Daniel Hall (IMAGE) Veterans Affairs Research Communications Caption Dr. Daniel Hall (left), seen here in a VA Pittsburgh Healthcare System operating suite with OR technician Mark Yost, is leading efforts to spread preoperative frailty screening in VA. Credit Bill George Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.